<template>
	<view>
		<!-- 自定义搜索框 -->
		<view class="search-box">
			<my-search @click="gotoSearch"></my-search>
		</view>
		<!-- 轮播图 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item, i) in swiperList" :key='i'>
				<navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
					<image :src="item.image_src"></image>
				</navigator>
			</swiper-item>
		</swiper>
		<!-- 分类导航 -->
		<view class="nav-list">
			<view class="nav-item" v-for="(item,index) in navList" :key="index" @click="navClickHandle(item)">
				<img :src="item.image_src" class="nav-img" />
			</view>
		</view>
		<!-- 楼层 -->
		<view class="floor-list">
			
			<view class="floor-item" v-for="(item, index) in floorList" :key="index">
				<image :src="item.floor_title.image_src" class="floor-title"/>
				
				<view class="floor-img-box">
					<!-- 左侧大图 -->
					<navigator class="left-img-box" :url="item.product_list[0].url">
						<image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
					</navigator>
					
					<view class="right-img-box">
						<navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" :url="item2.url">
							<image :src="item2.image_src" v-if="i2 !== 0" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
						</navigator>
					</view>
					
				</view>
			</view>
		
		</view>
	</view>
</template>

<script>
	import badeMix from '@/mixins/taber-badge.js'
	
	export default {
		mixins: [badeMix],
		data() {
			return {
				//1.轮播图的数据列表，默认为空数组
				swiperList: [],
				//2.分类导航
				navList: [],
				//楼层
				floorList: []
			};
		},
		onLoad() {
			//在小程序页面加载的时候	，调用获取轮播图数据的方法
			this.getSwiperList()
			this.getNavList()
			this.getFloorList()
		},
		methods:{
			//获取轮播图的方法
			async getSwiperList() {
				//3.1发起请求 //http://www.uinav.com/api/public/v1/home/swiperdata
				const {data: res} = await uni.$http.get('/api/public/v1/home/swiperdata')
				
				if (res.meta.status !== 200) return uni.$showMsg()
				 
				this.swiperList = res.message
				
			},
			
			//获取分类导航数据
			async getNavList() {
				const {data: res} =	await uni.$http.get('/api/public/v1/home/catitems')
				
				if(res.meta.status !== 200) return uni.$showMsg()
				
				this.navList = res.message
			},
			
			navClickHandle(item) {
				if(item.name === "分类") {
					uni.switchTab({
						url: "/pages/cate/cate"
					})
				}
			},
			//获取楼层数据
			async getFloorList() {
				const {data: res} =	await uni.$http.get('/api/public/v1/home/floordata')
				
				if(res.meta.status !== 200) return uni.$showMsg()
				
				res.message.forEach(floor => {
					floor.product_list.forEach(prod => {
						prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
					})
				})
				
				this.floorList = res.message
			},
			//点击搜索框跳转
			gotoSearch() {
				uni.navigateTo({
					url:'/subpkg/search/search'
				})
			}
		}
	}
</script>

<style lang="scss">
	swiper{
		height: 330rpx;
		.swiper-item,
		
		image{
			width: 100%;
			height: 100%;
		}
	}
	.nav-list{
		display: flex;
		// 项目位于各行之前、之间、之后都留有空白的容器内。
		justify-content: space-around;
		margin: 15px 0;
		
		.nav-img{
			width: 128rpx;
			height: 140rpx;
		}
	}
	.floor-title{
		width: 100%;
		height: 60rpx;
	}
	
	.floor-img-box {
		display: flex;
		padding-left: 10rpx;
	
		.right-img-box {
			display: flex;
			//是否允许子元素换行 wrap 
			flex-wrap: wrap;
			padding: 0 10rpx;
			justify-content: space-around;
		}
	}
	
	.search-box {
		position: sticky;
		top: 0;
		z-index: 999;
	}
	
	
</style>
